v4 [PATCH 0/6] nsswitch reloading

[DJ Delorie]

This version incorporates Siddhesh's comments, splits up patch 4/4
into three parts - the core changes, the stitching, and the tests, and
rebases to current head.

1/6 0001-nss-Introduce-nss_module.h.patch
2/6 0002-nss_action.h-New-abstraction-for-combining-NSS-modul.patch
3/6 0003-nss-Implement-nss_database.h.patch
4/6 0004-nsswitch-use-new-internal-API-core.patch
5/6 0005-nsswitch-user-new-internal-API-tests.patch
6/6 0006-nsswitch-use-new-internal-API-callers.patch